19930868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2689}}^1$

素因数の和:2819

約数の個数: 24

約数和(自身を含む): 37283400

約数和(自身を除く): 17352532

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2689, 3706, 5378, 7412, 10756, 45713, 91426, 182852, 293101, 586202, 1172404, 4982717, 9965434, 19930868]

約数ペア:

[(1, 19930868), (2, 9965434), (4, 4982717), (17, 1172404), (34, 586202), (68, 293101), (109, 182852), (218, 91426), (436, 45713), (1853, 10756), (2689, 7412), (3706, 5378)]